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ebofs: use lseek64 in blockdev

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This commit is contained in:
Sage Weil 2008-07-09 16:00:04 -07:00
parent 517c00fa18
commit 7390eb3cdb
1 changed files with 10 additions and 4 deletions
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14
src/ebofs/BlockDevice.cc
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@ -640,7 +640,7 @@ int BlockDevice::_read(int fd, block_t bno, unsigned num, bufferlist& bl)
assert(fd > 0);
__u64 offset = bno * EBOFS_BLOCK_SIZE;
__u64 actual = lseek(fd, offset, SEEK_SET);
__u64 actual = ::lseek64(fd, offset, SEEK_SET);
assert(actual == offset);
size_t len = num*EBOFS_BLOCK_SIZE;
@ -675,9 +675,9 @@ int BlockDevice::_write(int fd, unsigned bno, unsigned num, bufferlist& bl)
assert(fd > 0);
while (1) {
__u64 offset = bno << EBOFS_BLOCK_BITS;
assert(bno * EBOFS_BLOCK_SIZE == offset);
__u64 actual = lseek(fd, offset, SEEK_SET);
__u64 offset = (__u64)bno << EBOFS_BLOCK_BITS;
assert((__u64)bno * (__u64)EBOFS_BLOCK_SIZE == offset);
__u64 actual = ::lseek64(fd, offset, SEEK_SET);
assert(actual == offset);
// write buffers
@ -694,6 +694,12 @@ int BlockDevice::_write(int fd, unsigned bno, unsigned num, bufferlist& bl)
iov[n].iov_base = (void*)i->c_str();
iov[n].iov_len = MIN(left, i->length());
/*
dout(10) << "_write " << (bno+(len-left))
<< "~" << (iov[n].iov_len / 4096)
<< " " << *i << dendl;
*/
assert((((intptr_t)iov[n].iov_base) & ((intptr_t)4095ULL)) == 0);
assert((iov[n].iov_len & 4095) == 0);